This Vintage Audemars Piguet Royal Oak Jumbo Ultra Thin Ref. 5402 A-Series – An iconic early example of Gérald Genta’s revolutionary 1972 design. This highly sought-after A-Series features the rare “AP” logo at 6 o’clock, a detail that distinguishes the earliest executions of the model. The 39mm stainless steel case, octagonal bezel with exposed screws, and integrated bracelet embody the bold innovation that redefined luxury sports watches. Powered by the ultra-thin Caliber 2121 automatic movement, the watch offers precision and elegance in a slim profile. The original tapisserie dial shows the perfect vintage character, enhancing its collectability. Accompanied by its original box and a photographic Extract from the Archives, this piece is a cornerstone for serious collectors. A true milestone in watchmaking history, the Royal Oak Ref. 5402 remains one of the most celebrated vintage sports watches ever produced.